package zjh_20230406;

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.MulticastSocket;

public class UdpGroup02 {
    public static void main(String[] args) {
        try {
            DatagramSocket dp = new DatagramSocket();
            

        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}
